/*
 * Copyright (c) 2019 Cisco and/or its affiliates.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at:
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/* Test vectors published in GCM Specification */

#include <vppinfra/clib.h>
#include <vnet/crypto/crypto.h>
#include <unittest/crypto/crypto.h>

static u8 tc1_key128[16] = { 0, };

static u8 tc1_iv[12] = { 0, };

static u8 tc1_tag128[] = {
  0x58, 0xe2, 0xfc, 0xce, 0xfa, 0x7e, 0x30, 0x61,
  0x36, 0x7f, 0x1d, 0x57, 0xa4, 0xe7, 0x45, 0x5a
};

static u8 tc1_key256[32] = { 0, };

static u8 tc1_tag256[] = {
  0x53, 0x0f, 0x8a, 0xfb, 0xc7, 0x45, 0x36, 0xb9,
  0xa9, 0x63, 0xb4, 0xf1, 0xc4, 0xcb, 0x73, 0x8b,
};

static u8 tc2_ciphertext256[] = {
  0xce, 0xa7, 0x40, 0x3d, 0x4d, 0x60, 0x6b, 0x6e,
  0x07, 0x4e, 0xc5, 0xd3, 0xba, 0xf3, 0x9d, 0x18
};

static u8 tc2_tag256[] = {
  0xd0, 0xd1, 0xc8, 0xa7, 0x99, 0x99, 0x6b, 0xf0,
  0x26, 0x5b, 0x98, 0xb5, 0xd4, 0x8a, 0xb9, 0x19
};

static u8 tc2_plaintext[16] = { 0, };

static u8 tc2_tag[] = {
  0xab, 0x6e, 0x47, 0xd4, 0x2c, 0xec, 0x13, 0xbd,
  0xf5, 0x3a, 0x67, 0xb2, 0x12, 0x57, 0xbd, 0xdf
};

static u8 tc2_ciphertext[] = {
  0x03, 0x88, 0xda, 0xce, 0x60, 0xb6, 0xa3, 0x92,
  0xf3, 0x28, 0xc2, 0xb9, 0x71, 0xb2, 0xfe, 0x78
};

static u8 tc3_key128[] = {
  0xfe, 0xff, 0xe9, 0x92, 0x86, 0x65, 0x73, 0x1c,
  0x6d, 0x6a, 0x8f, 0x94, 0x67, 0x30, 0x83, 0x08
};

static u8 tc3_iv[] = {
  0xca, 0xfe, 0xba, 0xbe, 0xfa, 0xce, 0xdb, 0xad,
  0xde, 0xca, 0xf8, 0x88
};

static u8 tc3_plaintext[] = {
  0xd9, 0x31, 0x32, 0x25, 0xf8, 0x84, 0x06, 0xe5,
  0xa5, 0x59, 0x09, 0xc5, 0xaf, 0xf5, 0x26, 0x9a,
  0x86, 0xa7, 0xa9, 0x53, 0x15, 0x34, 0xf7, 0xda,
  0x2e, 0x4c, 0x30, 0x3d, 0x8a, 0x31, 0x8a, 0x72,
  0x1c, 0x3c, 0x0c, 0x95, 0x95, 0x68, 0x09, 0x53,
  0x2f, 0xcf, 0x0e, 0x24, 0x49, 0xa6, 0xb5, 0x25,
  0xb1, 0x6a, 0xed, 0xf5, 0xaa, 0x0d, 0xe6, 0x57,
  0xba, 0x63, 0x7b, 0x39, 0x1a, 0xaf, 0xd2, 0x55
};

static u8 tc3_ciphertext128[] = {
  0x42, 0x83, 0x1e, 0xc2, 0x21, 0x77, 0x74, 0x24,
  0x4b, 0x72, 0x21, 0xb7, 0x84, 0xd0, 0xd4, 0x9c,
  0xe3, 0xaa, 0x21, 0x2f, 0x2c, 0x02, 0xa4, 0xe0,
  0x35, 0xc1, 0x7e, 0x23, 0x29, 0xac, 0xa1, 0x2e,
  0x21, 0xd5, 0x14, 0xb2, 0x54, 0x66, 0x93, 0x1c,
  0x7d, 0x8f, 0x6a, 0x5a, 0xac, 0x84, 0xaa, 0x05,
  0x1b, 0xa3, 0x0b, 0x39, 0x6a, 0x0a, 0xac, 0x97,
  0x3d, 0x58, 0xe0, 0x91, 0x47, 0x3f, 0x59, 0x85
};

static u8 tc3_tag128[] = {
  0x4d, 0x5c, 0x2a, 0xf3, 0x27, 0xcd, 0x64, 0xa6,
  0x2c, 0xf3, 0x5a, 0xbd, 0x2b, 0xa6, 0xfa, 0xb4
};

static u8 tc3_key256[] = {
  0xfe, 0xff, 0xe9, 0x92, 0x86, 0x65, 0x73, 0x1c,
  0x6d, 0x6a, 0x8f, 0x94, 0x67, 0x30, 0x83, 0x08,
  0xfe, 0xff, 0xe9, 0x92, 0x86, 0x65, 0x73, 0x1c,
  0x6d, 0x6a, 0x8f, 0x94, 0x67, 0x30, 0x83, 0x08
};

static u8 tc3_ciphertext256[] = {
  0x52, 0x2d, 0xc1, 0xf0, 0x99, 0x56, 0x7d, 0x07,
  0xf4, 0x7f, 0x37, 0xa3, 0x2a, 0x84, 0x42, 0x7d,
  0x64, 0x3a, 0x8c, 0xdc, 0xbf, 0xe5, 0xc0, 0xc9,
  0x75, 0x98, 0xa2, 0xbd, 0x25, 0x55, 0xd1, 0xaa,
  0x8c, 0xb0, 0x8e, 0x48, 0x59, 0x0d, 0xbb, 0x3d,
  0xa7, 0xb0, 0x8b, 0x10, 0x56, 0x82, 0x88, 0x38,
  0xc5, 0xf6, 0x1e, 0x63, 0x93, 0xba, 0x7a, 0x0a,
  0xbc, 0xc9, 0xf6, 0x62, 0x89, 0x80, 0x15, 0xad
};

static u8 tc3_tag256[] = {
  0xb0, 0x94, 0xda, 0xc5, 0xd9, 0x34, 0x71, 0xbd,
  0xec, 0x1a, 0x50, 0x22, 0x70, 0xe3, 0xcc, 0x6c
};

static u8 tc4_plaintext[] = {
  0xd9, 0x31, 0x32, 0x25, 0xf8, 0x84, 0x06, 0xe5,
  0xa5, 0x59, 0x09, 0xc5, 0xaf, 0xf5, 0x26, 0x9a,
  0x86, 0xa7, 0xa9, 0x53, 0x15, 0x34, 0xf7, 0xda,
  0x2e, 0x4c, 0x30, 0x3d, 0x8a, 0x31, 0x8a, 0x72,
  0x1c, 0x3c, 0x0c, 0x95, 0x95, 0x68, 0x09, 0x53,
  0x2f, 0xcf, 0x0e, 0x24, 0x49, 0xa6, 0xb5, 0x25,
  0xb1, 0x6a, 0xed, 0xf5, 0xaa, 0x0d, 0xe6, 0x57,
  0xba, 0x63, 0x7b, 0x39,
};

static u8 tc4_aad[] = {
  0xfe, 0xed, 0xfa, 0xce, 0xde, 0xad, 0xbe, 0xef,
  0xfe, 0xed, 0xfa, 0xce, 0xde, 0xad, 0xbe, 0xef,
  0xab, 0xad, 0xda, 0xd2
};

static u8 tc4_ciphertext128[] = {
  0x42, 0x83, 0x1e, 0xc2, 0x21, 0x77, 0x74, 0x24,
  0x4b, 0x72, 0x21, 0xb7, 0x84, 0xd0, 0xd4, 0x9c,
  0xe3, 0xaa, 0x21, 0x2f, 0x2c, 0x02, 0xa4, 0xe0,
  0x35, 0xc1, 0x7e, 0x23, 0x29, 0xac, 0xa1, 0x2e,
  0x21, 0xd5, 0x14, 0xb2, 0x54, 0x66, 0x93, 0x1c,
  0x7d, 0x8f, 0x6a, 0x5a, 0xac, 0x84, 0xaa, 0x05,
  0x1b, 0xa3, 0x0b, 0x39, 0x6a, 0x0a, 0xac, 0x97,
  0x3d, 0x58, 0xe0, 0x91
};

static u8 tc4_tag[] = {
  0x5b, 0xc9, 0x4f, 0xbc, 0x32, 0x21, 0xa5, 0xdb,
  0x94, 0xfa, 0xe9, 0x5a, 0xe7, 0x12, 0x1a, 0x47
};

static u8 tc4_ciphertext256[] = {
  0x52, 0x2d, 0xc1, 0xf0, 0x99, 0x56, 0x7d, 0x07,
  0xf4, 0x7f, 0x37, 0xa3, 0x2a, 0x84, 0x42, 0x7d,
  0x64, 0x3a, 0x8c, 0xdc, 0xbf, 0xe5, 0xc0, 0xc9,
  0x75, 0x98, 0xa2, 0xbd, 0x25, 0x55, 0xd1, 0xaa,
  0x8c, 0xb0, 0x8e, 0x48, 0x59, 0x0d, 0xbb, 0x3d,
  0xa7, 0xb0, 0x8b, 0x10, 0x56, 0x82, 0x88, 0x38,
  0xc5, 0xf6, 0x1e, 0x63, 0x93, 0xba, 0x7a, 0x0a,
  0xbc, 0xc9, 0xf6, 0x62
};

static u8 tc4_tag256[] = {
  0x76, 0xfc, 0x6e, 0xce, 0x0f, 0x4e, 0x17, 0x68,
  0xcd, 0xdf, 0x88, 0x53, 0xbb, 0x2d, 0x55, 0x1b
};

/* *INDENT-OFF* */
UNITTEST_REGISTER_CRYPTO_TEST (aes_gcm128_tc1) = {
  .name = "128-GCM Spec. TC1",
  .alg = VNET_CRYPTO_ALG_AES_128_GCM,
  .iv = TEST_DATA (tc1_iv),
  .key = TEST_DATA (tc1_key128),
  .tag = TEST_DATA (tc1_tag128),
};

UNITTEST_REGISTER_CRYPTO_TEST (aes_gcm256_tc1) = {
  .name = "256-GCM Spec. TC1",
  .alg = VNET_CRYPTO_ALG_AES_256_GCM,
  .key = TEST_DATA (tc1_key256),
  .iv = TEST_DATA (tc1_iv),
  .tag = TEST_DATA (tc1_tag256),
};

UNITTEST_REGISTER_CRYPTO_TEST (aes_gcm128_tc2) = {
  .name = "128-GCM Spec. TC2",
  .alg = VNET_CRYPTO_ALG_AES_128_GCM,
  .iv = TEST_DATA (tc1_iv),
  .key = TEST_DATA (tc1_key128),
  .plaintext = TEST_DATA (tc2_plaintext),
  .ciphertext = TEST_DATA (tc2_ciphertext),
  .tag = TEST_DATA (tc2_tag),
};

UNITTEST_REGISTER_CRYPTO_TEST (aes_gcm256_tc2) = {
  .name = "256-GCM Spec. TC2",
  .alg = VNET_CRYPTO_ALG_AES_256_GCM,
  .iv = TEST_DATA (tc1_iv),
  .key = TEST_DATA (tc1_key256),
  .plaintext = TEST_DATA(tc2_plaintext),
  .ciphertext = TEST_DATA(tc2_ciphertext256),
  .tag = TEST_DATA (tc2_tag256),
};

UNITTEST_REGISTER_CRYPTO_TEST (aes_gcm128_tc3) = {
  .name = "128-GCM Spec. TC3",
  .alg = VNET_CRYPTO_ALG_AES_128_GCM,
  .iv = TEST_DATA (tc3_iv),
  .key = TEST_DATA (tc3_key128),
  .plaintext = TEST_DATA (tc3_plaintext),
  .ciphertext = TEST_DATA (tc3_ciphertext128),
  .tag = TEST_DATA (tc3_tag128),
};

UNITTEST_REGISTER_CRYPTO_TEST (aes_gcm256_tc3) = {
  .name = "256-GCM Spec. TC3",
  .alg = VNET_CRYPTO_ALG_AES_256_GCM,
  .iv = TEST_DATA (tc3_iv),
  .key = TEST_DATA (tc3_key256),
  .plaintext = TEST_DATA(tc3_plaintext),
  .ciphertext = TEST_DATA(tc3_ciphertext256),
  .tag = TEST_DATA (tc3_tag256),
};

UNITTEST_REGISTER_CRYPTO_TEST (aes_gcm128_tc4) = {
  .name = "128-GCM Spec. TC4",
  .alg = VNET_CRYPTO_ALG_AES_128_GCM,
  .iv = TEST_DATA (tc3_iv),
  .key = TEST_DATA (tc3_key128),
  .plaintext = TEST_DATA (tc4_plaintext),
  .ciphertext = TEST_DATA (tc4_ciphertext128),
  .aad = TEST_DATA (tc4_aad),
  .tag = TEST_DATA (tc4_tag),
};

UNITTEST_REGISTER_CRYPTO_TEST (aes_gcm256_tc4) = {
  .name = "256-GCM Spec. TC4",
  .alg = VNET_CRYPTO_ALG_AES_256_GCM,
  .iv = TEST_DATA (tc3_iv),
  .key = TEST_DATA (tc3_key256),
  .plaintext = TEST_DATA(tc4_plaintext),
  .ciphertext = TEST_DATA(tc4_ciphertext256),
  .aad = TEST_DATA(tc4_aad),
  .tag = TEST_DATA (tc4_tag256),
};

UNITTEST_REGISTER_CRYPTO_TEST (aes_gcm256_tc4_chain) = {
  .name = "256-GCM Spec. TC4 [chained]",
  .alg = VNET_CRYPTO_ALG_AES_256_GCM,
  .iv = TEST_DATA (tc3_iv),
  .key = TEST_DATA (tc3_key256),
  .aad = TEST_DATA(tc4_aad),
  .tag = TEST_DATA (tc4_tag256),
  .is_chained = 1,
  .pt_chunks = {
    TEST_DATA_CHUNK (tc4_plaintext, 0, 20),
    TEST_DATA_CHUNK (tc4_plaintext, 20, 20),
    TEST_DATA_CHUNK (tc4_plaintext, 40, 20),
  },
  .ct_chunks = {
    TEST_DATA_CHUNK (tc4_ciphertext256, 0, 20),
    TEST_DATA_CHUNK (tc4_ciphertext256, 20, 20),
    TEST_DATA_CHUNK (tc4_ciphertext256, 40, 20),
  },
};

UNITTEST_REGISTER_CRYPTO_TEST (aes_gcm256_inc_1024) = {
  .name = "256-GCM (incr 1024 B)",
  .alg = VNET_CRYPTO_ALG_AES_256_GCM,
  .plaintext_incremental = 1024,
  .key.length = 32,
  .aad.length = 20,
  .tag.length = 16,
};

UNITTEST_REGISTER_CRYPTO_TEST (aes_gcm256_inc1) = {
  .name = "256-GCM (incr 1056 B)",
  .alg = VNET_CRYPTO_ALG_AES_256_GCM,
  .plaintext_incremental = 1024 + 32,
  .key.length = 32,
  .aad.length = 20,
  .tag.length = 16,
};

UNITTEST_REGISTER_CRYPTO_TEST (aes_gcm256_inc2) = {
  .name = "256-GCM (incr 1042 B)",
  .alg = VNET_CRYPTO_ALG_AES_256_GCM,
  .plaintext_incremental = 1024 + 8,
  .key.length = 32,
  .aad.length = 20,
  .tag.length = 16,
};

UNITTEST_REGISTER_CRYPTO_TEST (aes_gcm256_inc3) = {
  .name = "256-GCM (incr 1025 B)",
  .alg = VNET_CRYPTO_ALG_AES_256_GCM,
  .plaintext_incremental = 1024 + 1,
  .key.length = 32,
  .aad.length = 20,
  .tag.length = 16,
};

UNITTEST_REGISTER_CRYPTO_TEST (aes_gcm256_inc4) = {
  .name = "256-GCM (incr 1009 B)",
  .alg = VNET_CRYPTO_ALG_AES_256_GCM,
  .plaintext_incremental = 1024 - 15,
  .key.length = 32,
  .aad.length = 20,
  .tag.length = 16,
};

UNITTEST_REGISTER_CRYPTO_TEST (aes_gcm256_inc5) = {
  .name = "256-GCM (incr 1008)",
  .alg = VNET_CRYPTO_ALG_AES_256_GCM,
  .plaintext_incremental = 1024 - 16,
  .key.length = 32,
  .aad.length = 20,
  .tag.length = 16,
};
/* *INDENT-ON* */

/*
 * fd.io coding-style-patch-verification: ON
 *
 * Local Variables:
 * eval: (c-set-style "gnu")
 * End:
 */
